Deck Stain Calculator

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Estimates the volume of stain needed for a deck based on its area and the stain's coverage rate.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Deck Length (feet), Deck Width (feet), Stain Coverage Rate (square feet per gallon), and Number of Coats in the units shown.

Step 2

Read Deck Area (square feet) and Total Stain Needed (gallons) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Deck Length (feet): 10; Deck Width (feet): 8; Stain Coverage Rate (square feet per gallon): 300; Number of Coats: 1

Deck Area (square feet): 80; Total Stain Needed (gallons): 0.2666666667

Deck Length (feet): 20; Deck Width (feet): 12; Stain Coverage Rate (square feet per gallon): 300; Number of Coats: 1

Deck Area (square feet): 240; Total Stain Needed (gallons): 0.8

Deck Length (feet): 30; Deck Width (feet): 15; Stain Coverage Rate (square feet per gallon): 300; Number of Coats: 1

Deck Area (square feet): 450; Total Stain Needed (gallons): 1.5

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